Grade Ecstasy is your average mid-ranked adventurers party who take quests and finish it with profeciency that makes them well known in the city. Other than doing missions, they spend most of their time enjoying life to the fullest. But everything changed when Claustrine Evergreen starts to see the actions of their team leader: Mateo a little bit suspicious and starts to investigate further. Claustrine didn't know that what she discovered would change their Party's life forever.